<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<!-- 引入ElementUI样式 -->
<link rel="stylesheet" href="./js/index.css">
<script src="./js/vue.js"></script>
<script src="./js/index.js"></script>
<style>
  .el-dropdown-link {
    cursor: pointer;
    color: #409EFF;
  }
  .el-icon-arrow-down {
    font-size: 12px;
  }
</style>
<body>
<div id="app">
  <el-dropdown>
            <span class="el-dropdown-link">
               下拉菜单<i class="el-icon-arrow-down el-icon--right"></i>
            </span>
    <el-dropdown-menu slot="dropdown">
      <el-dropdown-item>退出系统</el-dropdown-item>
      <el-dropdown-item disabled>修改密码</el-dropdown-item>
      <el-dropdown-item divided>联系管理员</el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>
</div>
</body>
</html>
<script>
  new Vue({
    el:"#app"
  })
</script>